Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1980-02-07
1982-03-23
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15DIG2, B60S 306
Patent
active
043205518
ABSTRACT:
A vehicle washing apparatus including, a frame containing an opening adapted to receive the vehicle to be washed, means for causing relative movement in a first direction between the frame and the vehicle, a pair of canted brushes rotatably disposed within the frame on opposite sides thereof, each of the brushes being pivoted about a vertical axis, the lower end of each of the brushes being spaced from the vertical pivot axis a distance less than that of the upper end of the brush, whereby the brushes rotate at an angle which is canted from the vertical axis, and means for biasing the opposing brushes toward each other whereby contact of the brushes with the vehicle is effected by the relative movement between the frame and vehicle against the bias.
REFERENCES:
patent: Re28580 (1975-10-01), Hanna
patent: 3090981 (1963-05-01), Vani et al.
patent: 3233264 (1966-02-01), Nickl et al.
patent: 3500488 (1970-03-01), Grant
patent: 3588935 (1971-06-01), Anttila
patent: 3593357 (1971-07-01), Oldham
patent: 3624852 (1971-12-01), Hanna
patent: 3921242 (1975-11-01), Clark
patent: 4118820 (1978-10-01), Bivens
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